Home / 13,593.48-20,390.22-3,732.81

Finding the Fourth Proportional to 13,593.48, 20,390.22 and 3,732.81

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Solution

The fourth proportional to 13,593.48, 20,390.22 and 3,732.81 is: 5,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.48 : 20,390.22 = 3,732.81 : x
  2. Step 2: Convert to fraction form
    13,593.48/20,390.22 = 3,732.81/x
  3. Step 3: Cross multiply
    13,593.48x = 20,390.22 × 3,732.81
  4. Step 4: Simplify right side
    13,593.48x = 76,112,817.12
  5. Step 5: Solve for x
    x = 76,112,817.12/13,593.48
  6. Step 6: Final answer
    x = 5,599.22

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.